Usta Sagirt tomb

• The symmetry group of the tiling is *442 (p4m).
• All the internal angles of the constituent polygons are a multiple of 22.5°.
• Contains one square.
• Contains one regular octagon.
• Contains one regular 8-pointed star polygon with vertex angle of 90°.
• There are three non-regular reflective tiles.
• The tiling satisfies the interlace condition and has no finite interlace and one infinite interlace with straight cross-overs.
• The tiling is edge-to-edge.
• As drawn, contains about 203 polygons.

1. Fig 80 (Usta Sagirt tomb, Ahlat, Turkey. Stone-carved border round entrance) of Oktay Aslanapa. Turkish art and architecture, London : Faber, 1971. ISBN 057108781. [aslanapa] {422 p. : ill. (some col.), maps ; 29 cm}(1273AD, 671AH)

v54